着陆: landing; land; touch down 短语和例子可用着陆距离 landing distance available; 起飞着陆区 landing area; 软着陆 soft landing; 飞机在10分钟前着陆了。 the plane landed ten minutes ago.; 着陆舱 landing module; 着陆场 landing grou
导航: navigation; pathfinding; pilot; guide 短语和例子无线电导航 radio navigation; 天文导航 celestial navigation; 雷达导航 radar navigation; 给出港船舶导航 pilot the ships out; 由 ... 导航 under the pilotage of ..